| Submitter | Mariusz Kozlowski |
|---|---|
| Date | Nov. 8, 2010, 9:58 p.m. |
| Message ID | <1289253525-7020-1-git-send-email-mk@lab.zgora.pl> |
| Download | mbox | patch |
| Permalink | /patch/70470/ |
| State | Accepted |
| Delegated to: | David Miller |
| Headers | show |
Comments
From: Mariusz Kozlowski <mk@lab.zgora.pl> Date: Mon, 8 Nov 2010 22:58:45 +0100 > Parameter 'len' is size_t type so it will never get negative. > > Signed-off-by: Mariusz Kozlowski <mk@lab.zgora.pl> Applied, thank you! -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Patch
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 3616f27..3451191 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1610,9 +1610,11 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, err = -EINVAL; vnet_hdr_len = sizeof(vnet_hdr); - if ((len -= vnet_hdr_len) < 0) + if (len < vnet_hdr_len) goto out_free; + len -= vnet_hdr_len; + if (skb_is_gso(skb)) { struct skb_shared_info *sinfo = skb_shinfo(skb);
Parameter 'len' is size_t type so it will never get negative. Signed-off-by: Mariusz Kozlowski <mk@lab.zgora.pl> --- net/packet/af_packet.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)